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1、2008年6月全国大学英语六级考试真题和答案PartⅠWriting(30minutes)注意：此部分试题在答题卡1上PartⅡReadingComprehension(SkimmingandScanning)(15minutes)Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1Forquestions1-7,choosethebestanswerfromthefourch
2、oicesmarkedA),B),C)andD.Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.Whatwilltheworldbelikeinfiftyyears?Thisweeksometopscientists,includingNobelPrizewinners,gavetheirvisionofhowtheworldwilllookin2056,frongas-poweredcarstoextraordinaryheal
3、thadvances,JohnInghamreportsonwhattheworld’sfinestmindsbelieveourfutureswillbe.Forthoseofusluckyenoughtolivethatlong,2056willbeaworldofalmostperpetualyouth,whereobesityisaremotememoryandrobotsbecomeourcompanions.Wewillberubbingshoulderswithaliensandcolonizingoutersp
4、ace.Betterstill,ourdescendantsmightatlastliveinaworldatpeacewithitself.Thepredictionisthatwewillhavefoundasourceofinexbaustible,safe,greenenergy,andthatsciencewillhavekilledoffreligion.Iftheyarerightwewillhaveremovedtwoofthemaincausesofwar-ourdependenceonoilandrelig
5、iousprejudice.Willwereally,astoday’sscientistsclaim,beabletoliveforeveroratleastcheattheageingprocesssothattheaveragepersonlivesto150?Ofcourse,allthesepredictionscomewithascientifichealthwarning.HarvardprofessorStevenPinkersays:“Thisisaninvitationtolookfoolish,aswit
6、hthepredictionsofdomedcitiesandnuclear-poweredvacuumcleanersthatweremade50yearago.”LivinglongerAnthonyAtala,directoroftheWakeForestInstituteinNorthCarolina,belivesfailingorganswillberepairedbyinjectingcellsintothebody.Theywillnaturallytostraighttotheinjuryandhelphea
7、lit.Asystemofinjectionswithoutneedlescouldalsoslowtheageingprocessbyusingthesameprocessto“tune”cells.BruceLahn,professorofhumangeneticsattheUniversityofChicago,anticipatestheabilitytoproduce“unlimitedsupplies”oftransplantablehumanorganswithouttheneededaneworgan,such
8、askidney,thesurgeonwouldcontactacommercialorganproducer,givehimthepatient’simmuno-logicalprofileandwouldthenbesentakidneywiththecorrecttis
